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TPS628304

Name: TPS628304
Brand: TI
SKU: TPS628304
Price: 0.66 USD

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Convertidor reductor de 2.25 V a 5.5 V, 4 A y precisión del 1 % en encapsulados pequeños QFN y SOT58

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Hoja de datos

document-pdfAcrobat TPS62830x, 2.25V to 5.5V Input, 1, 2, 3, 4A Step-Down Converter With 1% Output Accuracy in Small WQFN and SOT583 Packages datasheet (Rev. B) (Inglés) PDF | HTML

TPS628304

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Detalles del producto

Rating

Catalog

Operating temperature range (°C)

-40 to 125

Topology

Buck

Type

Converter

Iout (max) (A)

4

Vin (min) (V)

2.25

Vin (max) (V)

5.5

Switching frequency (min) (kHz)

2000

Switching frequency (max) (kHz)

2000

Features

1.2-V compatible control inputs, Enable, Forced PWM, Light Load Efficiency, Output discharge, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Fixed, Synchronous Rectification, UVLO Fixed

Control mode

Constant on-time (COT), DCS-Control

Vout (min) (V)

0.5

Vout (max) (V)

4.5

Iq (typ) (µA)

8

Duty cycle (max) (%)

100

Rating

Catalog

Operating temperature range (°C)

-40 to 125

Topology

Buck

Type

Converter

Iout (max) (A)

4

Vin (min) (V)

2.25

Vin (max) (V)

5.5

Switching frequency (min) (kHz)

2000

Switching frequency (max) (kHz)

2000

Features

1.2-V compatible control inputs, Enable, Forced PWM, Light Load Efficiency, Output discharge, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Fixed, Synchronous Rectification, UVLO Fixed

Control mode

Constant on-time (COT), DCS-Control

Vout (min) (V)

0.5

Vout (max) (V)

4.5

Iq (typ) (µA)

8

Duty cycle (max) (%)

100

SOT-5X3 (DRL)

8

3.36 mm² 2.1 x 1.6

WQFN-HR (RZE)

8

2 mm² 1 x 2

2.25V to 5.5V input voltage range
0.5V to 4.5V adjustable output voltage
1% FB voltage accuracy (–40°C to 125°C TJ)
Optimized EMI performance
Facilitates CISPR 11/32 compliance
- Integrated on-chip noise-filtering capacitors
- Measurements according to CISPR available
Excellent transient response
7µA operating quiescent current
2.0MHz switching frequency
35mΩ and 18mΩ internal power MOSFETs
DCS-Control topology
MODE pin for conduction mode selection
Supports 1.2V GPIO
100% duty cycle for lowest dropout
Active output discharge
Power-good output
Thermal shutdown protection
Hiccup or latch-off OCP/OVP
SIMPLIS model available
Create a custom design using the TPS62830x with WEBENCH® Power Designer

2.25V to 5.5V input voltage range
0.5V to 4.5V adjustable output voltage
1% FB voltage accuracy (–40°C to 125°C TJ)
Optimized EMI performance
Facilitates CISPR 11/32 compliance
- Integrated on-chip noise-filtering capacitors
- Measurements according to CISPR available
Excellent transient response
7µA operating quiescent current
2.0MHz switching frequency
35mΩ and 18mΩ internal power MOSFETs
DCS-Control topology
MODE pin for conduction mode selection
Supports 1.2V GPIO
100% duty cycle for lowest dropout
Active output discharge
Power-good output
Thermal shutdown protection
Hiccup or latch-off OCP/OVP
SIMPLIS model available
Create a custom design using the TPS62830x with WEBENCH® Power Designer

The TPS62830x is an easy-to-use, synchronous, step-down, DC/DC converters family with low quiescent current. Based on the DCS-Control topology, TPS62830x provides a fast transient response with small output capacitance. The internal reference allows to regulate the output voltage down to 0.5V with a high feedback voltage accuracy of 1% over the junction temperature range of –40°C to 125°C. The family is available in two packages and each package devices are pin-to-pin compatible.

The TPS62830x has a MODE pin to control the device mode of operation. Power save mode maintains high efficiency down to very light loads for extending the system battery run-time. Forced-PWM mode maintains a continuous conduction mode to make sure the least ripple in the output voltage and a quasi-fixed switching frequency. The device features a Power-Good signal and a well-controlled internal soft-start circuit. TPS62830x is able to operate in 100% mode. For fault protection, TPS62830x incorporates a HICCUP short-circuit protection as well as a thermal shutdown. One device option has a latch-off protection for short circuit as well as overvoltage incidents. The family is available in two packages: an 8-pin 1.0mm × 2.0mm QFN package, offering the highest power density design, and an 8-pin 1.6mm × 2.1mm SOT583 package, offering an easy-to-assemble designs.

The TPS62830x is an easy-to-use, synchronous, step-down, DC/DC converters family with low quiescent current. Based on the DCS-Control topology, TPS62830x provides a fast transient response with small output capacitance. The internal reference allows to regulate the output voltage down to 0.5V with a high feedback voltage accuracy of 1% over the junction temperature range of –40°C to 125°C. The family is available in two packages and each package devices are pin-to-pin compatible.

The TPS62830x has a MODE pin to control the device mode of operation. Power save mode maintains high efficiency down to very light loads for extending the system battery run-time. Forced-PWM mode maintains a continuous conduction mode to make sure the least ripple in the output voltage and a quasi-fixed switching frequency. The device features a Power-Good signal and a well-controlled internal soft-start circuit. TPS62830x is able to operate in 100% mode. For fault protection, TPS62830x incorporates a HICCUP short-circuit protection as well as a thermal shutdown. One device option has a latch-off protection for short circuit as well as overvoltage incidents. The family is available in two packages: an 8-pin 1.0mm × 2.0mm QFN package, offering the highest power density design, and an 8-pin 1.6mm × 2.1mm SOT583 package, offering an easy-to-assemble designs.

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Documentación técnica

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	Tipo	Título		Fecha
*	Data sheet	TPS62830x, 2.25V to 5.5V Input, 1, 2, 3, 4A Step-Down Converter With 1% Output Accuracy in Small WQFN and SOT583 Packages datasheet (Rev. B)	PDF \| HTML	27 mar 2024

Diseño y desarrollo

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Placa de evaluación

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The TPS628304ADRLEVM evaluation module (EVM) facilitates the evaluation of the TPS628304A, a 4.0 A, step-down converter in a 1.6 mm × 2.1 mm x 0.6 mm SOT583 package. The EVM converts a 2.25 V to 5.5 V input voltage to a regulated output voltage of 1.8 V. The TPS628304A is a synchronous (...)

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Placa de evaluación

TPS628304ARZEREVM — TPS628304A evaluation module for 4-A step-down converter in QFN package

The TPS628304ARZEREVM evaluation module (EVM) facilitates the evaluation of the TPS628304A, a 4.0 A, step-down converter in a 1.0 mm × 2.0 mm x 0.8 mm QFN package. The EVM converts a 2.25 V to 5.5 V input voltage to a regulated output voltage of 1.8 V. The TPS628304A is a synchronous (...)

Guía del usuario: PDF | HTML